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avoid warning for unary minus over an unsigned value

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Roberto Ierusalimschy
2013-06-20 12:12:43 -03:00
parent 7c4cc505db
commit d6f5fb2d2c
1 changed files with 2 additions and 2 deletions
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4
lapi.c
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@@ -1,5 +1,5 @@
/* /*
** $Id: lapi.c,v 2.182 2013/06/14 18:32:45 roberto Exp roberto $ ** $Id: lapi.c,v 2.183 2013/06/20 15:02:49 roberto Exp roberto $
** Lua API ** Lua API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -399,7 +399,7 @@ LUA_API lua_Unsigned lua_tounsignedx (lua_State *L, int idx, int *pisnum) {
if (luai_numisnan(L,n)) /* not a number? */ if (luai_numisnan(L,n)) /* not a number? */
break; /* not an integer, too */ break; /* not an integer, too */
res = cast_unsigned(n); res = cast_unsigned(n);
if (neg) res = -res; if (neg) res = 0u - res;
isnum = 1; isnum = 1;
break; break;
} }